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Date: Thu, 8 Mar 2018 22:28:50 +0000
From: Jon Hunter <jonathanh@...dia.com>
To: Peter De Schrijver <pdeschrijver@...dia.com>,
<linux-tegra@...r.kernel.org>, <linux-clk@...r.kernel.org>,
<mturquette@...libre.com>, <sboyd@...eaurora.org>,
<robh+dt@...nel.org>, <mark.rutland@....com>,
<devicetree@...r.kernel.org>, <lgirdwood@...il.com>,
<broonie@...nel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 04/11] clk: tegra: add CVB tables for Tegra210 CPU DFLL
On 06/02/18 16:34, Peter De Schrijver wrote:
I think that you should have some description here.
> Signed-off-by: Peter De Schrijver <pdeschrijver@...dia.com>
> ---
> drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 426 +++++++++++++++++++++++++++++
> drivers/clk/tegra/cvb.h | 1 +
> 2 files changed, 427 insertions(+)
>
> diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
> index 6486ad9..78dddab 100644
> --- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
> +++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
> @@ -88,6 +88,421 @@ struct dfll_fcpu_data {
> },
> };
>
> +static const unsigned long tegra210_cpu_max_freq_table[] = {
> + [0] = 1912500000UL,
> + [1] = 1912500000UL,
> + [2] = 2218500000UL,
> + [3] = 1785000000UL,
> + [4] = 1632000000UL,
> + [5] = 1912500000UL,
> + [6] = 2014500000UL,
> + [7] = 1734000000UL,
> + [8] = 1683000000UL,
> + [9] = 1555500000UL,
> + [10] = 1504500000UL,
> +};
> +
> +#define CPU_CVB_TABLE \
> + .speedo_scale = 100, \
> + .voltage_scale = 1000, \
> + .entries = { \
> + {204000000UL, {1007452, -23865, 370} }, \
> + {306000000UL, {1052709, -24875, 370} }, \
> + {408000000UL, {1099069, -25895, 370} }, \
> + {510000000UL, {1146534, -26905, 370} }, \
> + {612000000UL, {1195102, -27915, 370} }, \
> + {714000000UL, {1244773, -28925, 370} }, \
> + {816000000UL, {1295549, -29935, 370} }, \
> + {918000000UL, {1347428, -30955, 370} }, \
> + {1020000000UL, {1400411, -31965, 370} }, \
> + {1122000000UL, {1454497, -32975, 370} }, \
> + {1224000000UL, {1509687, -33985, 370} }, \
> + {1326000000UL, {1565981, -35005, 370} }, \
> + {1428000000UL, {1623379, -36015, 370} }, \
> + {1530000000UL, {1681880, -37025, 370} }, \
> + {1632000000UL, {1741485, -38035, 370} }, \
> + {1734000000UL, {1802194, -39055, 370} }, \
> + {1836000000UL, {1864006, -40065, 370} }, \
> + {1912500000UL, {1910780, -40815, 370} }, \
> + {2014500000UL, {1227000, 0, 0} }, \
> + {2218500000UL, {1227000, 0, 0} }, \
> + {0, { 0, 0, 0} }, \
> + }
> +
> +#define CPU_CVB_TABLE_XA \
> + .speedo_scale = 100, \
> + .voltage_scale = 1000, \
> + .entries = { \
> + {204000000UL, {1250024, -39785, 565} }, \
> + {306000000UL, {1297556, -41145, 565} }, \
> + {408000000UL, {1346718, -42505, 565} }, \
> + {510000000UL, {1397511, -43855, 565} }, \
> + {612000000UL, {1449933, -45215, 565} }, \
> + {714000000UL, {1503986, -46575, 565} }, \
> + {816000000UL, {1559669, -47935, 565} }, \
> + {918000000UL, {1616982, -49295, 565} }, \
> + {1020000000UL, {1675926, -50645, 565} }, \
> + {1122000000UL, {1736500, -52005, 565} }, \
> + {1224000000UL, {1798704, -53365, 565} }, \
> + {1326000000UL, {1862538, -54725, 565} }, \
> + {1428000000UL, {1928003, -56085, 565} }, \
> + {1530000000UL, {1995097, -57435, 565} }, \
> + {1606500000UL, {2046149, -58445, 565} }, \
> + {1632000000UL, {2063822, -58795, 565} }, \
> + {0, { 0, 0, 0} }, \
> + }
> +
> +#define CPU_CVB_TABLE_EUCM1 \
> + .speedo_scale = 100, \
> + .voltage_scale = 1000, \
> + .entries = { \
> + {204000000UL, {734429, 0, 0} }, \
> + {306000000UL, {768191, 0, 0} }, \
> + {408000000UL, {801953, 0, 0} }, \
> + {510000000UL, {835715, 0, 0} }, \
> + {612000000UL, {869477, 0, 0} }, \
> + {714000000UL, {903239, 0, 0} }, \
> + {816000000UL, {937001, 0, 0} }, \
> + {918000000UL, {970763, 0, 0} }, \
> + {1020000000UL, {1004525, 0, 0} }, \
> + {1122000000UL, {1038287, 0, 0} }, \
> + {1224000000UL, {1072049, 0, 0} }, \
> + {1326000000UL, {1105811, 0, 0} }, \
> + {1428000000UL, {1130000, 0, 0} }, \
> + {1555500000UL, {1130000, 0, 0} }, \
> + {1632000000UL, {1170000, 0, 0} }, \
> + {1734000000UL, {1227500, 0, 0} }, \
> + {0, { 0, 0, 0} }, \
> + }
> +
> +#define CPU_CVB_TABLE_EUCM2 \
> + .speedo_scale = 100, \
> + .voltage_scale = 1000, \
> + .entries = { \
> + {204000000UL, {742283, 0, 0} }, \
> + {306000000UL, {776249, 0, 0} }, \
> + {408000000UL, {810215, 0, 0} }, \
> + {510000000UL, {844181, 0, 0} }, \
> + {612000000UL, {878147, 0, 0} }, \
> + {714000000UL, {912113, 0, 0} }, \
> + {816000000UL, {946079, 0, 0} }, \
> + {918000000UL, {980045, 0, 0} }, \
> + {1020000000UL, {1014011, 0, 0} }, \
> + {1122000000UL, {1047977, 0, 0} }, \
> + {1224000000UL, {1081943, 0, 0} }, \
> + {1326000000UL, {1090000, 0, 0} }, \
> + {1479000000UL, {1090000, 0, 0} }, \
> + {1555500000UL, {1162000, 0, 0} }, \
> + {1683000000UL, {1195000, 0, 0} }, \
> + {0, { 0, 0, 0} }, \
> + }
> +
> +#define CPU_CVB_TABLE_EUCM2_JOINT_RAIL \
> + .speedo_scale = 100, \
> + .voltage_scale = 1000, \
> + .entries = { \
> + {204000000UL, {742283, 0, 0} }, \
> + {306000000UL, {776249, 0, 0} }, \
> + {408000000UL, {810215, 0, 0} }, \
> + {510000000UL, {844181, 0, 0} }, \
> + {612000000UL, {878147, 0, 0} }, \
> + {714000000UL, {912113, 0, 0} }, \
> + {816000000UL, {946079, 0, 0} }, \
> + {918000000UL, {980045, 0, 0} }, \
> + {1020000000UL, {1014011, 0, 0} }, \
> + {1122000000UL, {1047977, 0, 0} }, \
> + {1224000000UL, {1081943, 0, 0} }, \
> + {1326000000UL, {1090000, 0, 0} }, \
> + {1479000000UL, {1090000, 0, 0} }, \
> + {1504500000UL, {1120000, 0, 0} }, \
> + {0, { 0, 0, 0} }, \
> + }
> +
> +#define CPU_CVB_TABLE_ODN \
> + .speedo_scale = 100, \
> + .voltage_scale = 1000, \
> + .entries = { \
> + {204000000UL, {721094, 0, 0} }, \
> + {306000000UL, {754040, 0, 0} }, \
> + {408000000UL, {786986, 0, 0} }, \
> + {510000000UL, {819932, 0, 0} }, \
> + {612000000UL, {852878, 0, 0} }, \
> + {714000000UL, {885824, 0, 0} }, \
> + {816000000UL, {918770, 0, 0} }, \
> + {918000000UL, {915716, 0, 0} }, \
> + {1020000000UL, {984662, 0, 0} }, \
> + {1122000000UL, {1017608, 0, 0} }, \
> + {1224000000UL, {1050554, 0, 0} }, \
> + {1326000000UL, {1083500, 0, 0} }, \
> + {1428000000UL, {1116446, 0, 0} }, \
> + {1581000000UL, {1130000, 0, 0} }, \
> + {1683000000UL, {1168000, 0, 0} }, \
> + {1785000000UL, {1227500, 0, 0} }, \
> + {0, { 0, 0, 0} }, \
> + }
> +
> +struct cvb_table tegra210_cpu_cvb_tables[] = {
> + {
> + .speedo_id = 10,
> + .process_id = 0,
> + .min_millivolts = 840,
> + .max_millivolts = 1120,
> + CPU_CVB_TABLE_EUCM2_JOINT_RAIL,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 10,
> + .process_id = 1,
> + .min_millivolts = 840,
> + .max_millivolts = 1120,
> + CPU_CVB_TABLE_EUCM2_JOINT_RAIL,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 9,
> + .process_id = 0,
> + .min_millivolts = 900,
> + .max_millivolts = 1162,
> + CPU_CVB_TABLE_EUCM2,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + }
> + },
> + {
> + .speedo_id = 9,
> + .process_id = 1,
> + .min_millivolts = 900,
> + .max_millivolts = 1162,
> + CPU_CVB_TABLE_EUCM2,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + }
> + },
> + {
> + .speedo_id = 8,
> + .process_id = 0,
> + .min_millivolts = 900,
> + .max_millivolts = 1195,
> + CPU_CVB_TABLE_EUCM2,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + }
> + },
> + {
> + .speedo_id = 8,
> + .process_id = 1,
> + .min_millivolts = 900,
> + .max_millivolts = 1195,
> + CPU_CVB_TABLE_EUCM2,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + }
> + },
> + {
> + .speedo_id = 7,
> + .process_id = 0,
> + .min_millivolts = 841,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE_EUCM1,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 7,
> + .process_id = 1,
> + .min_millivolts = 841,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE_EUCM1,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 6,
> + .process_id = 0,
> + .min_millivolts = 870,
> + .max_millivolts = 1150,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + }
> + },
> + {
> + .speedo_id = 6,
> + .process_id = 1,
> + .min_millivolts = 870,
> + .max_millivolts = 1150,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune1 = 0x25501d0,
> + }
> + },
> + {
> + .speedo_id = 5,
> + .process_id = 0,
> + .min_millivolts = 818,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 5,
> + .process_id = 1,
> + .min_millivolts = 818,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x25501d0,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 4,
> + .process_id = -1,
> + .min_millivolts = 918,
> + .max_millivolts = 1113,
> + CPU_CVB_TABLE_XA,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune1 = 0x17711BD,
> + }
> + },
> + {
> + .speedo_id = 3,
> + .process_id = 0,
> + .min_millivolts = 825,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE_ODN,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 3,
> + .process_id = 1,
> + .min_millivolts = 825,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE_ODN,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x25501d0,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 2,
> + .process_id = 0,
> + .min_millivolts = 870,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + }
> + },
> + {
> + .speedo_id = 2,
> + .process_id = 1,
> + .min_millivolts = 870,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune1 = 0x25501d0,
> + }
> + },
> + {
> + .speedo_id = 1,
> + .process_id = 0,
> + .min_millivolts = 837,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 1,
> + .process_id = 1,
> + .min_millivolts = 837,
> + .max_millivolts = 1227,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x25501d0,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 0,
> + .process_id = 0,
> + .min_millivolts = 850,
> + .max_millivolts = 1170,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x20091d9,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> + {
> + .speedo_id = 0,
> + .process_id = 1,
> + .min_millivolts = 850,
> + .max_millivolts = 1170,
> + CPU_CVB_TABLE,
> + .cpu_dfll_data = {
> + .tune0_low = 0xffead0ff,
> + .tune0_high = 0xffead0ff,
> + .tune1 = 0x25501d0,
> + .tune_high_min_millivolts = 864,
> + }
> + },
> +};
> +
> static const struct dfll_fcpu_data tegra124_dfll_fcpu_data = {
> .cpu_max_freq_table = tegra124_cpu_max_freq_table,
> .cpu_max_freq_table_size = ARRAY_SIZE(tegra124_cpu_max_freq_table),
> @@ -95,11 +510,22 @@ struct dfll_fcpu_data {
> .cpu_cvb_tables_size = ARRAY_SIZE(tegra124_cpu_cvb_tables)
> };
>
> +static const struct dfll_fcpu_data tegra210_dfll_fcpu_data = {
> + .cpu_max_freq_table = tegra210_cpu_max_freq_table,
> + .cpu_max_freq_table_size = ARRAY_SIZE(tegra210_cpu_max_freq_table),
> + .cpu_cvb_tables = tegra210_cpu_cvb_tables,
> + .cpu_cvb_tables_size = ARRAY_SIZE(tegra210_cpu_cvb_tables),
> +};
> +
> static const struct of_device_id tegra124_dfll_fcpu_of_match[] = {
> {
> .compatible = "nvidia,tegra124-dfll",
> .data = &tegra124_dfll_fcpu_data,
> },
> + {
> + .compatible = "nvidia,tegra210-dfll",
> + .data = &tegra210_dfll_fcpu_data
> + },
> { },
> };
>
> diff --git a/drivers/clk/tegra/cvb.h b/drivers/clk/tegra/cvb.h
> index bcf15a0..91a1941 100644
> --- a/drivers/clk/tegra/cvb.h
> +++ b/drivers/clk/tegra/cvb.h
> @@ -41,6 +41,7 @@ struct cvb_cpu_dfll_data {
> u32 tune0_low;
> u32 tune0_high;
> u32 tune1;
> + unsigned int tune_high_min_millivolts;
> };
>
> struct cvb_table {
>
Otherwise ...
Acked-by: Jon Hunter <jonathanh@...dia.com>
Cheers
Jon
--
nvpublic
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